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stm32/boards: Add linker script for STMF412xE with 512k flash.
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Browse Source 
The existing linker script for F412 is renamed to separate F412xG (with
1MB RAM) from F412xE (with 512K).

Signed-off-by: Oliver Joos <oliver.joos@hispeed.ch>
This commit is contained in:
Oliver Joos
2021-08-19 00:38:19 +02:00
committed by Damien George
parent e9bd1e2e08
commit 4e98486830
3 changed files with 37 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
ports/stm32/boards/NUCLEO_F412ZG/mpconfigboard.mk
View File

@@ -1,7 +1,7 @@
MCU_SERIES = f4
CMSIS_MCU = STM32F412Zx
AF_FILE = boards/stm32f412_af.csv
LD_FILES = boards/stm32f412zx.ld boards/common_ifs.ld
LD_FILES = boards/stm32f412xg.ld boards/common_ifs.ld
TEXT0_ADDR = 0x08000000
TEXT1_ADDR = 0x08020000

35
ports/stm32/boards/stm32f412xe.ld Normal file
View File

@@ -0,0 +1,35 @@
/*
GNU linker script for STM32F412xe (512kB flash, 256kB RAM)
*/
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* entire flash */
FLASH_START (rx): ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 64K /* sectors 1,2,3,4: 16k+16k+16k+16k(of 64k)=64k */
FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* sectors 5,6,7 are 128K */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 240K
FS_CACHE (xrw) : ORIGIN = 0x2003c000, LENGTH = 16K
}
/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 2K;
_minimum_heap_size = 16K;
/* Define the stack. The stack is full descending so begins just above last byte
of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */
_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve;
_sstack = _estack - 16K; /* tunable */
/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = _ebss; /* heap starts just after statically allocated memory */
_heap_end = _sstack;
/* Filesystem cache in RAM, and storage in flash */
_micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(FS_CACHE);
_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(FS_CACHE) + LENGTH(FS_CACHE);
_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);

2
ports/stm32/boards/stm32f412zx.ld → ports/stm32/boards/stm32f412xg.ld
View File

@@ -1,5 +1,5 @@
/*
GNU linker script for STM32F412zx (1MB flash, 256kB RAM)
GNU linker script for STM32F412xg (1MB flash, 256kB RAM)
*/
/* Specify the memory areas */